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1   /*
2    * Copyright 2004-2005 The Apache Software Foundation or its licensors,
3    *                     as applicable.
4    *
5    * Licensed under the Apache License, Version 2.0 (the "License");
6    * you may not use this file except in compliance with the License.
7    * You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.portals.graffito.jcr.persistence.atomictypeconverter.impl;
19  
20  import javax.jcr.RepositoryException;
21  import javax.jcr.Value;
22  import javax.jcr.ValueFactory;
23  
24  import org.apache.portals.graffito.jcr.exception.IncorrectAtomicTypeException;
25  import org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter;
26  
27  /***
28   * Double Type Converter 
29   * 
30   * @author <a href="mailto:christophe.lombart@gmail.com">Christophe Lombart</a>
31   * @author <a href='mailto:the_mindstorm[at]evolva[dot]ro'>Alexandru Popescu</a>
32   */
33  public class DoubleTypeConverterImpl implements AtomicTypeConverter
34  {
35  	/***
36  	 * 
37  	 * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getValue(java.lang.Object)
38  	 */
39  	public Value getValue(ValueFactory valueFactory, Object propValue)
40  	{
41  		if (propValue == null)
42  		{
43  			return null;
44  		}
45          
46  		double value = ((Double) propValue).doubleValue();
47  		return valueFactory.createValue(value);
48  	}
49  
50      /***
51       * 
52       * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getObject(javax.jcr.Value)
53       */
54  	public Object getObject(Value value)
55      {
56  		try
57  		{
58  			double beanPropValue = value.getDouble();
59  			return new Double(beanPropValue);	
60  		}
61  		catch (RepositoryException e)
62  		{
63  			throw new IncorrectAtomicTypeException("Impossible to convert the value : " + value.toString(), e);
64  		}
65  	}
66  	
67  	/***
68  	 * 
69  	 * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getStringValue(java.lang.Object)
70  	 */
71  	public String getStringValue(Object object)
72  	{
73  		return object.toString();
74  	}
75  }